Usage Tips: 4K 60Hz HDMI Audio Extractor - One HDMI input converted to one HDMI output, plus Optical Toslink SPDIF and Analog 3.5mm AUX stereo audio output, with ARC (Audio Return Channel) function. SPDIF and AUX audio support output separately to soundbars, amplifiers, headphones, and other audio receivers without connecting to a TV or monitor. Experience high-quality audio and video performance. Three Audio Mode Switch Settings - Pass, 2CH, and 5.1CH modes. The 3.5mm audio output supports incoming 2CH PCM/LPCM stereo audio. The Optical SPDIF output supports incoming 2CH PCM, 5.1CH Dolby Digital, Dolby TrueHD, and DTS-HD. Note: This product does not support Dolby Digital Plus. 4K@60Hz High Resolution - Supports 4Kx2K@60Hz, 3D, 1080p, 1080i, 720p, 576i, 480p, and 480i video resolutions. Supports video color formats: 24bit, deep color 30bit, and 36bit with synchronized sound. Complies with HDMI v1.4 and HDCP 1.4 standards. Also supports HDMI ARC (Audio Return Channel). Wide Compatibility - Compatible with various HDMI source devices such as Blu-ray/DVD/HD players, cable/satellite boxes, Fire TV, PS3/PS4, Xbox, PC/laptops, HD cameras, and HD DVRs. Due to varying voltage requirements, some devices with low-power HDMI ports (such as PS4, PS4 Slim, and certain Sony devices) may require an external power adapter for optimal performance.